com.net.ServerHandler.java Source code

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Here is the source code for com.net.ServerHandler.java

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/*
 * Copyright 2012 The Netty Project
 *
 * The Netty Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */
package com.net;

import org.springframework.data.redis.core.RedisTemplate;

import com.thinkgem.jeesite.common.constants.ZTConstants;
import com.thinkgem.jeesite.common.utils.DateUtils;
import com.thinkgem.jeesite.common.utils.JedisUtils;
import com.thinkgem.jeesite.common.utils.NetUtil;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerAdapter;
import io.netty.channel.ChannelHandlerContext;

/**
 * @author peng
 */
public class ServerHandler extends ChannelHandlerAdapter {

    private String nodeId;//id

    private byte[] bs = { (byte) 0xEB, 0x60, 0x00, 0x00, 0x00, 0x01, 0x00, 0x03, 0x00, 0x01, 0x00, 0x04, 0x00, 0x00,
            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x0D, 0x0A };

    public ServerHandler(RedisTemplate<String, Object> redisTemplate) {
        this.redisTemplate = redisTemplate;

    }

    private RedisTemplate<String, Object> redisTemplate;

    @Override
    public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
        System.out.println("nodedataService");
        ByteBuf buf = (ByteBuf) msg;
        byte[] req = new byte[buf.readableBytes()];
        buf.readBytes(req);
        System.out.println(
                DateUtils.getDateTime() + "++" + req[0] + "+" + req[1] + (req[0] == -21 && req[1] == -112));
        NetUtil.print16String(req);
        if (req[0] == -21 && req[1] == 96) {//"EB 60" 
            //2? ?ID??
            byte[] segment = new byte[4];
            segment[0] = 0;
            segment[1] = 0;
            segment[2] = req[2];
            segment[3] = req[3];
            byte[] id = new byte[4];
            id[0] = 0;
            id[1] = 0;
            id[2] = req[4];
            id[3] = req[5];
            String nodeid = NetUtil.bytesToInt(segment) + "_" + NetUtil.bytesToInt(id);
            this.setNodeId(nodeid);
            //          bs[8] = req[2];
            //          bs[9] = req[3];
            //          bs[10] = req[4];
            //          bs[11] = req[5];
            //          bs[20] = (byte) (NetUtil.bytesToInt(req[2])+NetUtil.bytesToInt(req[3])+NetUtil.bytesToInt(req[4])+NetUtil.bytesToInt(req[5]));
            //         ByteBuf resp = Unpooled.copiedBuffer(bs);
            byte[] bb = (byte[]) JedisUtils.getObject(ZTConstants.jedisKey.send_data_byte + nodeid);
            ByteBuf resp = Unpooled.copiedBuffer(bb);
            ctx.write(resp);
        } else if (req[0] == -21 && req[1] == -112) {//"EB 90" ??

            byte[] segment = new byte[4];
            segment[3] = 0;
            segment[2] = 0;
            segment[1] = req[2];
            segment[0] = req[3];
            byte[] id = new byte[4];
            id[3] = 0;
            id[2] = 0;
            id[1] = req[40];
            id[0] = req[41];
            String data_nodeid = NetUtil.bytesToInt(segment) + "_" + NetUtil.bytesToInt(id);
            /*if(nodeId == null){
               redisTemplate.convertAndSend(ZTConstants.channel.dataLog, ZTConstants.resultCode.noNodeId+":"+nodeId);
            }
            if(!data_nodeid.equals(nodeId)){
               redisTemplate.convertAndSend(ZTConstants.channel.dataLog, ZTConstants.resultCode.nodeIdError+":"+nodeId);
            }*/
            System.out.println("");
            redisTemplate.convertAndSend(ZTConstants.channel.reciveData, req);

        } else if (req[0] == 81) {//4???51??
            redisTemplate.convertAndSend(ZTConstants.channel.dataLog,
                    ZTConstants.resultCode.success + ":" + nodeId);
        }
    }

    @Override
    public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
        ctx.flush();
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
        ctx.close();
    }

    public String getNodeId() {
        return nodeId;
    }

    public void setNodeId(String nodeId) {
        this.nodeId = nodeId;
    }

}